Earthquake with magnitude of ML 1.9 on date 18-05-2007 and time 14:18:51 (UTC) in region 10 km SW Catania (CT)

A magnitude ML 1.9 earthquake occured in region: 10 km SW Catania (CT), on

  • 18-05-2007 14:18:51 (UTC)
  • 18-05-2007 16:18:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.4260, 15.0210 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Catania CT 11 314555 314555
Motta Sant'Anastasia CT 11 12116 326671
Misterbianco CT 11 49410 376081
Gravina di Catania CT 16 25838 401919
Lentini SR 16 24085 426004
Sant'Agata li Battiati CT 16 9479 435483
Camporotondo Etneo CT 16 5023 440506
San Pietro Clarenza CT 16 7743 448249
Carlentini SR 17 17798 466047
Mascalucia CT 17 31958 498005
San Gregorio di Catania CT 17 11966 509971
Tremestieri Etneo CT 17 20589 530560
San Giovanni la Punta CT 18 23060 553620
Aci Castello CT 18 18723 572343
Belpasso CT 19 28108 600451
Valverde CT 20 7840 608291
PaternĂ² CT 20 48228 656519

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km SW of Catania (314555 inhabitants)
25 Km SW of Acireale (52622 inhabitants)
47 Km NW of Siracusa (122291 inhabitants)
61 Km NE of Ragusa (73313 inhabitants)
67 Km NE of Modica (54633 inhabitants)
68 Km NE of Vittoria (63339 inhabitants)
79 Km NE of Gela (75827 inhabitants)
85 Km E of Caltanissetta (63360 inhabitants)
94 Km SW of Reggio di Calabria (183035 inhabitants)
98 Km SW of Messina (238439 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
Md 2.2
ML 1.9
2007-05-18
14:18:51
37.426 15.021 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 630889
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-05-18 14:18:51 ± 0.3
Latitude 37.4260 ± 0.0180
Longitude 15.0210 ± 0.0125
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 630889

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2053
Semi-minor axis of confidence ellipse (meter) 1000
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 18
Circular confidence region, given by single value of horizontal uncertainty (meter) 2282.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 278
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.17717
Epicentral distance of station farthest from the epicenter (degree) 0.47304
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 630889
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:00:39

Md:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 630889
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:00:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.BHN. 2007-05-18T14:19:01.88 0.3 undecidable manual Sg 171 30.1476 0.226 36
IV.HAVL.BHN. 2007-05-18T14:19:00.64 0.1 undecidable manual Pg 170 52.503 0 97
IV.HVZN.BHE. 2007-05-18T14:18:58.49 0.3 undecidable manual Pg 225 38.5281 0.005 75
I1.HAGA.BHZ. 2007-05-18T14:18:58.63 0.3 undecidable manual Sg 143 19.6692 -0.212 37
IV.SSY.BHN. 2007-05-18T14:18:57.04 0.1 undecidable manual Pg 171 30.1476 -0.153 98
I1.HAGA.BHZ. 2007-05-18T14:18:55.71 0.1 undecidable manual Pg 143 19.6692 0.143 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download